Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797517 | Catalyst degradation detecting device and method thereof in internal combustion engine | Kazuhiro Sakurai, Takashi Watanabe | 2004-09-28 |
| 6732503 | Air/fuel ratio controller for internal combustion engine | Kenji Harima, Hiromasa Suzuki, Takashi Watanabe | 2004-05-11 |
| 6729305 | Fuel injection amount control apparatus and method for internal combustion engine | — | 2004-05-04 |